Flexible feed sock



FIG. 1 is a top plan view of a blank from which the flexible feed sock is formed;

FIG. 2 is a front perspective view of the blank formed into the flexible feed sock;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a right side elevation view.

The broken line showing of the flexible feed sock is included for the purpose of illustrating support hoops and forms no part of the claimed design. 

CLAIM The ornamental design for a flexible feed sock, as shown and described. 